71312619

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 112144384

約数和(自身を除く): 40831765

約数列:

[1, 3, 7, 21, 43, 129, 151, 301, 453, 523, 903, 1057, 1569, 3171, 3661, 6493, 10983, 19479, 22489, 45451, 67467, 78973, 136353, 157423, 236919, 472269, 552811, 1658433, 3395839, 10187517, 23770873, 71312619]

約数ペア:

[(1, 71312619), (3, 23770873), (7, 10187517), (21, 3395839), (43, 1658433), (129, 552811), (151, 472269), (301, 236919), (453, 157423), (523, 136353), (903, 78973), (1057, 67467), (1569, 45451), (3171, 22489), (3661, 19479), (6493, 10983)]